A one-position comprehensive calibration method for long-endurance strapdown inertial navigation systems

Lu Feng; Zhi Hong Deng; Bo Wang; Shun Ting Wang

doi:10.3969/j.issn.1000-1093.2016.02.011

A one-position comprehensive calibration method for long-endurance strapdown inertial navigation systems

Lu Feng, Zhi Hong Deng, Bo Wang, Shun Ting Wang

School of Automation

Beijing Institute of Technology

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

A one-position comprehensive calibration method based on inertial frame is proposed to suppress the divergence of errors of a strapdown system. The auxiliary navigation information is provided by GPS and celestial navigation system. The coefficients in the error model of traditional comprehensive calibration methods are basically determined by outputs of the INS, thus the computational errors of INS are introduced into the error model. These modelling errors are amended according to the auxiliary navigation information in the proposed method relaxing the constraint to speed and trajectory of the vehicle. Kalman filter is utilized to estimate the gyro constant drifts. The effectiveness of the method is demonstrated by simulation.

Original language	English
Pages (from-to)	265-271
Number of pages	7
Journal	Binggong Xuebao/Acta Armamentarii
Volume	37
Issue number	2
DOIs	https://doi.org/10.3969/j.issn.1000-1093.2016.02.011
Publication status	Published - 1 Feb 2016

Keywords

Inertial frame
Long-endurance
One-position comprehensive calibration
Ordnance science and technology
Strapdown inertial navigation system

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10.3969/j.issn.1000-1093.2016.02.011

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abstract = "A one-position comprehensive calibration method based on inertial frame is proposed to suppress the divergence of errors of a strapdown system. The auxiliary navigation information is provided by GPS and celestial navigation system. The coefficients in the error model of traditional comprehensive calibration methods are basically determined by outputs of the INS, thus the computational errors of INS are introduced into the error model. These modelling errors are amended according to the auxiliary navigation information in the proposed method relaxing the constraint to speed and trajectory of the vehicle. Kalman filter is utilized to estimate the gyro constant drifts. The effectiveness of the method is demonstrated by simulation.",

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AU - Feng, Lu

AU - Deng, Zhi Hong

AU - Wang, Bo

AU - Wang, Shun Ting

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N2 - A one-position comprehensive calibration method based on inertial frame is proposed to suppress the divergence of errors of a strapdown system. The auxiliary navigation information is provided by GPS and celestial navigation system. The coefficients in the error model of traditional comprehensive calibration methods are basically determined by outputs of the INS, thus the computational errors of INS are introduced into the error model. These modelling errors are amended according to the auxiliary navigation information in the proposed method relaxing the constraint to speed and trajectory of the vehicle. Kalman filter is utilized to estimate the gyro constant drifts. The effectiveness of the method is demonstrated by simulation.

AB - A one-position comprehensive calibration method based on inertial frame is proposed to suppress the divergence of errors of a strapdown system. The auxiliary navigation information is provided by GPS and celestial navigation system. The coefficients in the error model of traditional comprehensive calibration methods are basically determined by outputs of the INS, thus the computational errors of INS are introduced into the error model. These modelling errors are amended according to the auxiliary navigation information in the proposed method relaxing the constraint to speed and trajectory of the vehicle. Kalman filter is utilized to estimate the gyro constant drifts. The effectiveness of the method is demonstrated by simulation.

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KW - Ordnance science and technology

KW - Strapdown inertial navigation system

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A one-position comprehensive calibration method for long-endurance strapdown inertial navigation systems

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